*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,body{
  height: 100%;
}
img{
  display: block;
  width: 100%;
}
ul{
  list-style: none;
}
body{
  padding:45px 0 50px;
}
// 实现等待的class
.wait{
  &::before{
    content: "";
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: #000;
    opacity: .5;
    z-index: 999;
  }
  &::after{
    animation:fa-spin 2s infinite linear;
    display: inline-block;
    font: normal normal normal 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    content: "\f110";
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 1000;
    color:white;
    font-size: 50px;
    margin-left: -25px;
    margin-top: -25px;
  }
}
.pyg_header{
  position: fixed;
  top: 0;
  left: 0;
  height: 45px;
  width: 100%;
  background: #fff;
  padding: 5px 10px;
}
.pyg_footer{
  position: fixed;
  bottom: 0;
  left: 0;
  height: 50px;
  width: 100%;
  background: #fff;
  display: flex;
  a{
    flex:1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color:#000;
    .fa{
      font-size: 22px;
    }
    .link-name{
      font-size: 14px;
      line-height: 16px;
    }
  }
}
.pyg_view{
  height: 100%;
  overflow: scroll;
}